wifi: cfg80211: make some regulatory functions void

The return value of regulatory_hint_indoor() is always 0 for
success, and the return value of regulatory_hint_found_beacon()
is always ignored. Make them both have void return.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/wireless/nl80211.c

@@ -8116,7 +8116,8 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
 			is_indoor = true;
 		}
 
-		return regulatory_hint_indoor(is_indoor, owner_nlportid);
+		regulatory_hint_indoor(is_indoor, owner_nlportid);
+		return 0;
 	default:
 		return -EINVAL;
 	}

net/wireless/reg.c

@@ -3284,7 +3284,7 @@ int regulatory_hint_user(const char *alpha2,
 	return 0;
 }
 
-int regulatory_hint_indoor(bool is_indoor, u32 portid)
+void regulatory_hint_indoor(bool is_indoor, u32 portid)
 {
 	spin_lock(&reg_indoor_lock);
 
@@ -3307,8 +3307,6 @@ int regulatory_hint_indoor(bool is_indoor, u32 portid)
 
 	if (!is_indoor)
 		reg_check_channels();
-
-	return 0;
 }
 
 void regulatory_netlink_notify(u32 portid)
@@ -3666,9 +3664,9 @@ static bool pending_reg_beacon(struct ieee80211_channel *beacon_chan)
 	return false;
 }
 
-int regulatory_hint_found_beacon(struct wiphy *wiphy,
-				 struct ieee80211_channel *beacon_chan,
-				 gfp_t gfp)
+void regulatory_hint_found_beacon(struct wiphy *wiphy,
+				  struct ieee80211_channel *beacon_chan,
+				  gfp_t gfp)
 {
 	struct reg_beacon *reg_beacon;
 	bool processing;
@@ -3677,18 +3675,18 @@ int regulatory_hint_found_beacon(struct wiphy *wiphy,
 	    beacon_chan->flags & IEEE80211_CHAN_RADAR ||
 	    (beacon_chan->band == NL80211_BAND_2GHZ &&
 	     !freq_is_chan_12_13_14(beacon_chan->center_freq)))
-		return 0;
+		return;
 
 	spin_lock_bh(&reg_pending_beacons_lock);
 	processing = pending_reg_beacon(beacon_chan);
 	spin_unlock_bh(&reg_pending_beacons_lock);
 
 	if (processing)
-		return 0;
+		return;
 
 	reg_beacon = kzalloc(sizeof(struct reg_beacon), gfp);
 	if (!reg_beacon)
-		return -ENOMEM;
+		return;
 
 	pr_debug("Found new beacon on frequency: %d.%03d MHz (Ch %d) on %s\n",
 		 beacon_chan->center_freq, beacon_chan->freq_offset,
@@ -3708,8 +3706,6 @@ int regulatory_hint_found_beacon(struct wiphy *wiphy,
 	spin_unlock_bh(&reg_pending_beacons_lock);
 
 	schedule_work(&reg_work);
-
-	return 0;
 }
 
 static void print_rd_rules(const struct ieee80211_regdomain *rd)

net/wireless/reg.h

@@ -42,7 +42,7 @@ int regulatory_hint_user(const char *alpha2,
  * device is operating in an indoor environment.
  * @portid: the netlink port ID on which the hint was given.
  */
-int regulatory_hint_indoor(bool is_indoor, u32 portid);
+void regulatory_hint_indoor(bool is_indoor, u32 portid);
 
 /**
  * regulatory_netlink_notify - notify on released netlink socket
@@ -82,9 +82,9 @@ bool reg_last_request_cell_base(void);
  * on a newly found BSS. If you cannot make use of this feature you can
  * set the wiphy->disable_beacon_hints to true.
  */
-int regulatory_hint_found_beacon(struct wiphy *wiphy,
-				 struct ieee80211_channel *beacon_chan,
-				 gfp_t gfp);
+void regulatory_hint_found_beacon(struct wiphy *wiphy,
+				  struct ieee80211_channel *beacon_chan,
+				  gfp_t gfp);
 
 /**
  * regulatory_hint_country_ie - hints a country IE as a regulatory domain